/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package bpmn;

import org.eclipse.emf.common.util.EList;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Group</b></em>'.
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link bpmn.Group#getCategoryRef <em>Category Ref</em>}</li>
 *   <li>{@link bpmn.Group#getGraphicalElements <em>Graphical Elements</em>}</li>
 * </ul>
 * </p>
 *
 * @see bpmn.BpmnPackage#getGroup()
 * @model
 * @generated
 */
public interface Group extends Artifact {
	/**
	 * Returns the value of the '<em><b>Category Ref</b></em>' reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Category Ref</em>' reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Category Ref</em>' reference.
	 * @see #setCategoryRef(Category)
	 * @see bpmn.BpmnPackage#getGroup_CategoryRef()
	 * @model required="true"
	 * @generated
	 */
	Category getCategoryRef();

	/**
	 * Sets the value of the '{@link bpmn.Group#getCategoryRef <em>Category Ref</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Category Ref</em>' reference.
	 * @see #getCategoryRef()
	 * @generated
	 */
	void setCategoryRef(Category value);

	/**
	 * Returns the value of the '<em><b>Graphical Elements</b></em>' reference list.
	 * The list contents are of type {@link bpmn.GraphicalElement}.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Graphical Elements</em>' reference list isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Graphical Elements</em>' reference list.
	 * @see bpmn.BpmnPackage#getGroup_GraphicalElements()
	 * @model
	 * @generated
	 */
	EList<GraphicalElement> getGraphicalElements();

} // Group
